Experiment

		Be a detective ... Find Fat
...(1)	.....(2)		.....(3)

!! Caution !!

Adult Supervision required when cooking macaroni and making potato slice.

Objective:

To determine if all natural and commercially processed food items contain same quantity of dietary fat

Hypothesis:

If the food items selected for the experiment have dietary fat then when I crush them on a brown paper, the brown paper should show an oily patch on respective spots.

Food items used:

1 uncooked macaroni ,1 cooked macaroni l 1 raw potato slice, 1 potato chip (traditional), 1 potato chip (baked), 1 Crispy coated fried potato, 1/8 teaspoon mayonnaise, 1 shelled peanut, 1/8 teaspoon water 1/8 teaspoon margarine. Other available foods like bread, finger cake, cheese stick and cookie.

Other material:

Brown paper bag, measuring spoons, knife, cutting board, marker

Procedure: (Source: http://www.penpages.psu.edu/penpages_reference/29503/29503203.HTML) Rub each food item on a flat piece of brown paper bag. Label the spots with the name of the food. Allow the spots to dry for 20 minutes. Record on the chart whether fat was present.

Observation Chart:

I have classified the items based on how dark was the oil patch left on the brown paper. Possibility of an error: The food item may not get rubbed against the brown paper with same force. e.g. if the item is rubbed lightly on the brown paper then not much of fat will get transferred and the oil spot on the paper bag will not be that dark.

No Fat at all	Little Fat	Moderate Fat	Lot of Fat
Water, Cooked macaroni, Uncooked macaroni, Bread, Raw potato slice	Cookie, potato chip ( baked)	Shelled peanut, Finger cake	Mayonnaise, Potato chip ( traditional)